USPS will electrify entire mail-delivery fleet in just a few years By: MarketWatch December 20, 2022 at 15:32 PM EST The U.S. Postal Service said Tuesday it will go all-electric for new delivery vehicle purchases starting in 2026. Read More >> Related Stocks: Amazon.com FedEx Corp Oshkosh Truck Corp Rivian Automotive, Inc. United Parcel Service